Home / 83,340.36-115,016.58-47,531.88

Finding the Fourth Proportional to 83,340.36, 115,016.58 and 47,531.88

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Solution

The fourth proportional to 83,340.36, 115,016.58 and 47,531.88 is: 65,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,340.36 : 115,016.58 = 47,531.88 : x
  2. Step 2: Convert to fraction form
    83,340.36/115,016.58 = 47,531.88/x
  3. Step 3: Cross multiply
    83,340.36x = 115,016.58 × 47,531.88
  4. Step 4: Simplify right side
    83,340.36x = 5,466,954,278.57
  5. Step 5: Solve for x
    x = 5,466,954,278.57/83,340.36
  6. Step 6: Final answer
    x = 65,597.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.